Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1990 Eagle Talon Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Power Steering Pressure Switch
- Power steering pressure switch is located on side of power steering pump. Disconnect power steering pressure hose from power steering pump and connect in series a pressure gauge shutoff valve assembly capable of handling 250 psi (17.5 kg/cm2 ), 2 tee-in pressure hose and appropriate adapters. See Fig 1 .
- Bleed air from system by grounding coil wire and cranking engine while turning steering wheel all the way from left to right 6 times. Start engine and turn steering wheel back and forth to raise fluid temperature to approximately 122-140°F (50-60°C).
- With engine idling, disconnect electrical connector from oil pressure switch and connect an ohmmeter to pressure switch terminal and engine ground.
- Gradually close shutoff valve to pressure gauge to increase hydraulic pressure. Ensure pressure switch is closed (ohmmeter shows continuity) at a pressure of 213-284 psi (14.9-19.9 kg/cm2 ).
- Gradually open shutoff valve and ensure switch is open (ohmmeter shows no continuity) at 100-171 psi (7-12 kg/cm2 ). Remove testing equipment. Bleed air from system by grounding coil wire and cranking engine while turning steering wheel all the way from left to right 6 times. Replace power steering switch if it does not test as specified.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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